﻿// Copyright 2007-2017 Chris Patterson, Dru Sellers, Travis Smith, et. al.
//  
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
// this file except in compliance with the License. You may obtain a copy of the 
// License at 
// 
//     http://www.apache.org/licenses/LICENSE-2.0 
// 
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 
// CONDITIONS OF ANY KIND, either express or implied. See the License for the 
// specific language governing permissions and limitations under the License.
namespace MassTransit.Saga
{
    using Context;
    using GreenPipes.Payloads;


    public static class SagaContextExtensions
    {
        public static SagaQueryConsumeContext<TSaga, T> CreateQueryScope<T, TSaga, TScope>(this SagaQueryConsumeContext<TSaga, T> context, TScope scope)
            where T : class
            where TSaga : class, ISaga
            where TScope : class
        {
            var proxy = new SagaQueryConsumeContextProxy<TSaga, T>(context, new PayloadCacheScope(context), context.Query);

            proxy.GetOrAddPayload(() => scope);

            return proxy;
        }

        public static SagaQueryConsumeContext<TSaga, T> CreateQueryScope<T, TSaga>(this SagaQueryConsumeContext<TSaga, T> context)
            where T : class
            where TSaga : class, ISaga
        {
            var proxy = new SagaQueryConsumeContextProxy<TSaga, T>(context, new PayloadCacheScope(context), context.Query);

            return proxy;
        }
    }
}